Fix duplicate "go: {" parameter

Fixed a syntax error where there was a duplicate "go: {" property that
wasn't even closed.

Signed-off-by: Adam Jimerson <vendion@gmail.com>

addons/lspclient/settings.json

@@ -48,13 +48,12 @@
             "highlightingModeRegex": "^Fortran.*$"
         },
         "go": {
-            "go": {
-                "command": ["gopls"],
-                "commandDebug": ["gopls", "serve", "-debug", "0.0.0.0:8484", "-rpc.trace"],
-                "path": ["%{ENV:HOME}/go/bin", "%{ENV:USERPROFILE}/go/bin"],
-                "rootIndicationFileNames": ["go.mod"],
-                "url": "golang.org/x/tools/gopls",
-                "highlightingModeRegex": "^Go$"
+            "command": ["gopls"],
+            "commandDebug": ["gopls", "serve", "-debug", "0.0.0.0:8484", "-rpc.trace"],
+            "path": ["%{ENV:HOME}/go/bin", "%{ENV:USERPROFILE}/go/bin"],
+            "rootIndicationFileNames": ["go.mod"],
+            "url": "golang.org/x/tools/gopls",
+            "highlightingModeRegex": "^Go$"
         },
         "haskell": {
             "command": ["haskell-language-server-wrapper", "--lsp"],